Add Mobile App connection UI

src/mobileappconnector.h

@@ -0,0 +1,22 @@
+#ifndef MOBILEAPPCONNECTOR_H
+#define MOBILEAPPCONNECTOR_H
+
+#include <QDialog>
+
+namespace Ui {
+class MobileAppConnector;
+}
+
+class MobileAppConnector : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit MobileAppConnector(QWidget *parent = nullptr);
+    ~MobileAppConnector();
+
+private:
+    Ui::MobileAppConnector *ui;
+};
+
+#endif // MOBILEAPPCONNECTOR_H